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发明名称
Skyddsanordning foer ventilationsoeppning
摘要
申请公布号
FI920518(U0)
申请公布日期
1992.08.31
申请号
FI19920000518U
申请日期
1992.08.31
申请人
SAEVILAHTI, ARTO
发明人
SAEVILAHTI, ARTO
分类号
E04B1/70;(IPC1-7):E04B1/70
主分类号
E04B1/70
代理机构
代理人
主权项
地址
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